Module used for Random numbers ?
random,secrets
Module used to run Linux commands from python ?
subprocess module
Module to generate safe Random numbers for cryptography
secrets module
Module to interpret command line arguments for Python program ?
optparse module
Module used to find square root ?
math module
Module to import PDF files
PyPDF2module
Module to get present working directory ?
os module
Module to working with regular expressions ?
re module
Module to work with hash ?
hashlib module
Module to work with paths ?
pathlib module
Module to work with syymetric key ?
Fernet Module
It is an sub module of cryptography Module